10640389430 has 16 divisors (see below), whose sum is σ = 20893855824. Its totient is φ = 3869232480.

The previous prime is 10640389379. The next prime is 10640389433. The reversal of 10640389430 is 3498304601.

It is a super-2 number, since 2×10640389430² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640389433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48365297 + ... + 48365516.

It is an arithmetic number, because the mean of its divisors is an integer number (1305865989).

Almost surely, 2^10640389430 is an apocalyptic number.

10640389430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10640389430 is a deficient number, since it is larger than the sum of its proper divisors (10253466394).

10640389430 is a wasteful number, since it uses less digits than its factorization.

10640389430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96730831.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 10640389430 in words is "ten billion, six hundred forty million, three hundred eighty-nine thousand, four hundred thirty".